My port is open

1.Windows 98se
2.Zone Alarm firewall
3.1.gb of FSB 333 ram
4.20Gb free
5.ADSL - 512
6.Prestiege 600 series modem/router (isp is biscit)
7.connection from home
8.LW 4.8.1 & Java version 1.5.0 (build 1.5.0_02-b09)
9. ISP is biscit
10. This is my 1st try at LW
11. No I only use on P2P at a time
12. Im not sure I understand the term, I got told that it was opening a port when you specified in your NAT settings that a port number would be used i.e. start port number=6346/end port number=6346 i.p.address=*blank*